Infection in the compromised host.
D001424:Bacterial Infections / Q000276:immunology; D016026:Bone Marrow Transplantation; D006801:Humans; D007154:Immune System Diseases / Q000276:immunology*; D007109:Immunity; D007165:Immunosuppression Therapy; D007239:Infections / Q000175:diagnosis / Q000276:immunology* / Q000628:therapy; D016030:Kidney Transplantation; D009369:Neoplasms / Q000276:immunology*